 | | Re: New Sensor - ADXRS300-based Gyro for the RCX
|
|
(...) I fixed it right after I posted. Sorry about that.... Cheers, Ram (21 years ago, 6-Apr-04, to lugnet.robotics.rcx)
|
| |
| | Re: New Sensor - ADXRS300-based Gyro for the RCX
|
|
(...) Forgot to mention that now I am ready to tackle Legway using the ADXRS300 Gyro, ADXL202 Accelerometer, and a bit of Kalman filtering. Watch out Steve, I am coming ;-) Steve, you did an AMAZING JOB on LegWay!!!.... Cheers, Ram (21 years ago, 6-Apr-04, to lugnet.robotics.rcx)
|
| |
| | Re: New Sensor - ADXRS300-based Gyro for the RCX
|
|
(...) ROSCO (21 years ago, 6-Apr-04, to lugnet.robotics.rcx)
|
| |
| | New Sensor - ADXRS300-based Gyro for the RCX
|
|
Hi, Here is my prototype Analog Devices-based ADXRS300 Gyroscope sensor for the RCX. Check it out at: (URL) (21 years ago, 6-Apr-04, to lugnet.robotics.rcx)
|
| |
| | Re: Mounting PCB boards inside a lego brick
|
|
(...) Is that stuff non-conductive? Ram (21 years ago, 1-Apr-04, to lugnet.robotics.rcx)
|
| |
| | Re: Mounting PCB boards inside a lego brick
|
|
Hot glue? (21 years ago, 1-Apr-04, to lugnet.robotics.rcx)
|
| |
| | Mounting PCB boards inside a lego brick
|
|
Hi, I am in the process of creating a new sensor for the RCX (more on that later), but I need the sensor to be level otherwise the readings might be off. Since this is my first attempt at creating a sensor (and my first attempt at soldering after a (...) (21 years ago, 1-Apr-04, to lugnet.robotics.rcx)
|
| |
| | Re: A/C Adapter for RCX 1.0
|
|
(...) When a fellow MichLUGer brought up the question of hooking up an external power supply to a 2.0 RCX, a lot of these interesting little facts popped up. From the way it sounded, the RCX has a maximum amperage draw, and each side of the bridge (...) (21 years ago, 31-Mar-04, to lugnet.robotics.rcx, FTX)
|
| |
| | Re: A/C Adapter for RCX 1.0
|
|
"Purple Dave" <purpledave@maskofdestiny.com> wrote in message news:HvF094.18ED@lugnet.com... (...) RCX, it (...) to (...) first (...) power. (...) of (...) the US (...) that's a (...) The RCX and the train controller both utilize a circuit known as (...) (21 years ago, 31-Mar-04, to lugnet.robotics.rcx)
|
| |
| | Re: A/C Adapter for RCX 1.0
|
|
(...) The RCX has a bridge rectifier inside, that converts the AC to DC. It also has a voltage regulator that allows it to take a fairly large input voltage range. You can safely power it with a DC supply, however I wouldn't recommend leaving it on (...) (21 years ago, 31-Mar-04, to lugnet.robotics.rcx, FTX)
|
| |
| | Re: A/C Adapter for RCX 1.0
|
|
(...) Does it have a switch, or does it just magically figure out what voltage to supply? (...) I have no idea. You'd really need to ask someone who understands the guts of the RCX. I also have no idea why TLC would use strictly AC adapters when the (...) (21 years ago, 31-Mar-04, to lugnet.robotics.rcx, FTX)
|
| |
| | Re: A/C Adapter for RCX 1.0
|
|
I must also be blind. In tiny raised print just above the port on the RCX, it says "9-12V~". Had I seen that I would never have asked my original question in the first place. But I'm still curious about whether the RCX runs on AC or DC power. Does (...) (21 years ago, 31-Mar-04, to lugnet.robotics.rcx, FTX)
|
| |
| | Re: A/C Adapter for RCX 1.0
|
|
(...) Wait, are you saying the RCX runs on AC power? You are right that the 12V adapter I got puts out AC. I didn't notice that before -- I thought it was an AC to DC converter. Then I checked my train adapter, and it's identical to the one I just (...) (21 years ago, 31-Mar-04, to lugnet.robotics.rcx, FTX)
|
| |
| | Re: A/C Adapter for RCX 1.0
|
|
(...) The LEGO adapters output AC voltage, but most retail adapters output DC, which will burn out your RCX. I've heard that you can find AC-output adapters at Radio Shack, but... (...) Trains still continue to use 9V AC adapters, so buying one (...) (21 years ago, 30-Mar-04, to lugnet.robotics.rcx, FTX)
|
| |
| | A/C Adapter for RCX 1.0
|
|
I bought an RCX with an AC adapter jack and an AC adapter from Pitsco. They arrived today. But when I opened the adapter I saw that it outputs 12V, not 9V. It's an old Dacta AC adapter from 1996 (copyright date on packaging). I already tried using (...) (21 years ago, 30-Mar-04, to lugnet.robotics, lugnet.robotics.rcx, FTX)
|
| |
| | Re: RCX to Spy messages thru IR communications route
|
|
(...) Hi John, It does work. The RCX appears in the Spybot's World Table. The Range is set to Anywhere. Pretty cool... --Jay (21 years ago, 29-Mar-04, to lugnet.robotics.spybotics, lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.nqc)
|
| |
| | Re: RCX to Spy messages thru IR communications route
|
|
(...) Boy, this RCX to Spy IR comm thing is sure going the right way! The SPYBOTICS are a little known and hidden LEGO gem. Gramps Eddie & Grandson CJ (21 years ago, 26-Mar-04, to lugnet.robotics.spybotics, lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.nqc)
|
| |
| | Re: RCX to Spy messages thru IR communications route
|
|
(...) I presume that somewhere that data is being dropped. It isn't showing up as data the tower reports to the operating system. I haven't actually tried the function I posted the other day so it is entirely possible that a Spybot will not (...) (21 years ago, 26-Mar-04, to lugnet.robotics.spybotics, lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.nqc)
|
| |
| | Re: RCX to Spy messages thru IR communications route
|
|
I'm a little surprised that the Spybot doesn't need to see the packet header byte - the byte containing the range/orientation bits preceding the 0x8n Ping byte. The header is deliberately generated with the stop bit cleared to force a framing error. (...) (21 years ago, 25-Mar-04, to lugnet.robotics.spybotics, lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.nqc)
|
| |
| | Re: RCX to Spy messages thru IR communications route
|
|
(...) Yes, that is what another person told me via email yesterday. So a ping simulation function for an RCX running the RCX2 firmware could be: // nLinkID = 0-7, where 0 = no link, 7 = pc link, 1-6 = controller link // nMyID = 8-255 (minBotID = 8, (...) (21 years ago, 25-Mar-04, to lugnet.robotics.spybotics, lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.nqc)
|
